public TreeViewModel()
{
_RootTreeNode = new TreeNodeModel("根节点");
TreeNodeModel hunan = new TreeNodeModel("湖南", _RootTreeNode);
TreeNodeModel hubei = new TreeNodeModel("湖北", _RootTreeNode);
TreeNodeModel shaoyan = new TreeNodeModel("邵阳", hunan);
TreeNodeModel hengyan = new TreeNodeModel("衡阳", hunan);
TreeNodeModel wuhan = new TreeNodeModel("武汉", hubei);
_RootTreeNode.Children.Add(hubei);
_RootTreeNode.Children.Add(hunan);
hunan.Children.Add(shaoyan);
hunan.Children.Add(hengyan);
hubei.Children.Add(wuhan);
_FirstGeneration = new ObservableCollection <TreeNodeModel>(new TreeNodeModel[] {
_RootTreeNode
});
}
public TreeNodeModel createChild(string id, string name)
{
var node = new TreeNodeModel(id, name, this);
Children.Add(node);
return(node);
}
public TreeNodeModel(string id, string text, TreeNodeModel parent)
{
_Id = id;
_Text = text;
_Parent = parent;
_Children = new ObservableCollection <TreeNodeModel>(new TreeNodeModel[] { });
}
IEnumerable <TreeNodeModel> FindMatches(string searchText, TreeNodeModel treeNode)
{
if (treeNode.TextContainsText(searchText))
{
yield return(treeNode);
}
foreach (TreeNodeModel child in treeNode.Children)
{
foreach (TreeNodeModel match in this.FindMatches(searchText, child))
{
yield return(match);
}
}
}
TreeNodeModel FindSelected(TreeNodeModel treeNode)
{
if (treeNode.Selected)
{
return(treeNode);
}
foreach (TreeNodeModel child in treeNode.Children)
{
if (child.Selected)
{
return(child);
}
}
return(null);
}
public TreeNodeModel(string text, TreeNodeModel parent)
: this(null, text, parent)
{
}
public void SelectedItemChanged(TreeNodeModel node)
{
MessageBox.Show("hello " + node.Text);
}